ES6 Promise-based, using the excellent bluebird by default
Robustness: retry, timeout and connect timeout support
Proper error handling: All errors (incl. HTTP responses with code >= 400) throw exceptions, and can be caught with Promise.catch(). This ensures that all errors are handled, and often cleans up the code by clearly separating out error handling. The HTTPError instance has all the properties of a normal response.

Installation

npm install preq

Usage

var preq = require('preq');

return preq.get({                   // or preq.request({ method: 'get', .. })
    uri: 'http://google.com/',
    headers: {
        'x-foo': 'bar'
    },
    query: {
        q: 'foo'
    },
    // body for POSTs or PUTs, can be object (serialized to JSON), Buffer or String
})
.then(function(res) {
    /**
     * { 
     *   status: 200,
     *   headers: { 
     *     date: 'Sat, 21 Feb 2015 01:47:40 GMT' // , ...
     *   },
     *   body: '<!doctype html>...</html>' // or object if json
     * }
     */
})
.catch(function(err) {
    // Any response with HTTP status >= 400
    // err is HTTPError with same properties as response above
});

`preq`-specific parameters / methods

preq passes through most options directly to request, so see its documentation for advanced options.

Additionally, it defines or modifies these request options:

method: Lowercase HTTP verbs. Automatically set by the verb methods (preq.get(), .post() etc).
uri: use uri, not url.
query: query string parameters
body: String, Buffer or Object. If an object is supplied, the serialization depends on the content-type header. Supported:
- application/json.*
- multipart/form-data
- application/x-www-form-urlencoded
retries: Maximum number of retries. Exponential back-off is used between retries.
timeout: Total request timeout.

The connection timeout, maximum time to establish a TCP connection to the host is 5 seconds by default and can be altered with PREQ_CONNECT_TIMEOUT environment variable.

Also see the tests for usage examples.

FAQs

What is preq?

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Package last updated on 13 Jan 2020

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